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BOSTON MARATHON 2025

Joachim Blieck

Bib: 12376•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 45%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 48%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:39/mi
23:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
47:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:50/mi
1:11:51
↑ 67↓ 78
20K· 12.43 mi
7:51/mi
1:36:14
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:41:36
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:01:12
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:27:10
↑ 181↓ 1480.2%
20M
8:15/mi
2:38:23
↑ 64↓ 500.2%
21M
8:29/mi
2:46:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:52:31
↑ 17↓ 861.7%
23M
8:00/mi
3:02:32
↑ 23↓ 630.6%
24M
7:56/mi
3:10:28
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:17:27
↓ 200.3%
25.2M
8:51/mi
3:20:30
↑ 13↓ 160.2%
Finish· 26.22 mi
7:45/mi
3:28:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:36
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:46:48
Pace8:09 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3023:457:3923:45
7:39
-
10K
6.21 mi11:16:1747:327:3923:47
7:39
0:00
15K
9.32 mi11:40:361:11:517:4324:19
7:50
+0:11
20K
12.43 mi12:04:591:36:147:4524:23
7:51
+0:01
Half
13.11 mi12:10:211:41:367:455:22
7:52
+0:01
25K
15.53 mi12:29:572:01:127:4819:36
8:05
+0:13
30K
18.64 mi12:55:552:27:107:5425:58
8:21
+0:16
20M
20.00 mi13:07:082:38:237:5511:13
8:15
-0:06
21M
21.00 mi13:15:372:46:527:578:29
8:29
+0:14
35K
21.75 mi13:21:162:52:317:565:39
7:33
-0:56
23M
23.00 mi13:31:173:02:327:5610:01
8:00
+0:27
24M
24.00 mi13:39:133:10:287:567:56
7:56
-0:04
40K
24.85 mi13:46:123:17:277:576:59
8:10
+0:14
25.2M
25.20 mi13:49:153:20:307:573:03
8:51
+0:41
Finish
26.22 mi13:57:093:28:247:577:54
7:45
-1:06

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:33 /mi

Average Pace

7:57 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:54

82% of race

Time at Steady Pace

37:30

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:52:3023:457:3923:45
7:39
#13456
10K
6.21 mi11:16:1747:327:3923:47
7:39
#13488
15K
9.32 mi11:40:361:11:517:4324:19
7:50
#13825
20K
12.43 mi12:04:591:36:147:4524:23
7:51
#13738
Half
13.11 mi12:10:211:41:367:455:22
7:52
#13785
25K
15.53 mi12:29:572:01:127:4819:36
8:05
#13911
30K
18.64 mi12:55:552:27:107:5425:58
8:21
#13834
20M
20.00 mi13:07:082:38:237:5511:13
8:15
#13667
21M
21.00 mi13:15:372:46:527:578:29
8:29
#13448
35K
21.75 mi13:21:162:52:317:565:39
7:33
#13261
23M
23.00 mi13:31:173:02:327:5610:01
8:00
#13050
24M
24.00 mi13:39:133:10:287:567:56
7:56
#12934
40K
24.85 mi13:46:123:17:277:576:59
8:10
#12851
25.2M
25.20 mi13:49:153:20:307:573:03
8:51
#12804
Finish
26.22 mi13:57:093:28:247:577:54
7:45
#12707
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi134569841984114581(Top 51%)10180(Top 63%)10180(Top 427%)
10K6.21 mi3.10 mi13488-329807+349807+3413489(Top 47%)9791(Top 61%)9791(Top 410%)
15K9.32 mi3.11 mi13825-3379919-1129919-11214581(Top 51%)10180(Top 63%)10180(Top 427%)
20K12.43 mi3.11 mi13738+879837+829837+8213644(Top 48%)9708(Top 60%)9708(Top 407%)
Half13.11 mi0.68 mi13785-479847-109847-1014730(Top 52%)10205(Top 63%)10205(Top 428%)
25K15.53 mi2.42 mi13911-1269874-279874-2714506(Top 51%)9974(Top 62%)9974(Top 418%)
30K18.64 mi3.11 mi13834+779778+969778+9613869(Top 49%)9534(Top 59%)9534(Top 400%)
20M20.00 mi1.36 mi13667+1679682+969682+9612154(Top 43%)8596(Top 53%)8596(Top 360%)
21M21.00 mi1.00 mi13448+2199550+1329550+13210335(Top 36%)7532(Top 47%)7532(Top 316%)
35K21.75 mi0.75 mi13261+1879451+999451+999017(Top 32%)6879(Top 43%)6879(Top 288%)
23M23.00 mi1.25 mi13050+2119314+1379314+13710024(Top 35%)7253(Top 45%)7253(Top 304%)
24M24.00 mi1.00 mi12934+1169230+849230+8410762(Top 38%)7566(Top 47%)7566(Top 317%)
40K24.85 mi0.85 mi12851+839170+609170+6011351(Top 40%)7742(Top 48%)7742(Top 324%)
25.2M25.20 mi0.35 mi12804+479135+359135+3510877(Top 38%)7430(Top 46%)7430(Top 311%)
Finish26.22 mi1.02 mi12707+979065+709065+7011077(Top 39%)7554(Top 47%)7554(Top 317%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14581

Males

10180

M45-49

10180

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

13489

Males

9791

M45-49

9791

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14581

Males

10180

M45-49

10180

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13644

Males

9708

M45-49

9708

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14730

Males

10205

M45-49

10205

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14506

Males

9974

M45-49

9974

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

13869

Males

9534

M45-49

9534

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

12154

Males

8596

M45-49

8596

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

10335

Males

7532

M45-49

7532

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9017

Males

6879

M45-49

6879

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

10024

Males

7253

M45-49

7253

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10762

Males

7566

M45-49

7566

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11351

Males

7742

M45-49

7742

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10877

Males

7430

M45-49

7430

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

11077

Males

7554

M45-49

7554

Passing Analysis

Category:
Athletes Passed
2364
Passed By
1615
Net Change
+749
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13456
5K → 10K270302-32#13456#13488
10K → 15K110447-337#13488#13825
15K → 20K249162+87#13825#13738
20K → Half1865-47#13738#13785
Half → 25K142268-126#13785#13911
25K → 30K279202+77#13911#13834
30K → 20M20235+167#13834#13667
20M → 21M23112+219#13667#13448
21M → 35K1903+187#13448#13261
35K → 23M23423+211#13261#13050
23M → 24M14327+116#13050#12934
24M → 40K10623+83#12934#12851
40K → 25.2M6013+47#12851#12804
25.2M → Finish13033+97#12804#12707
TOTALS23641615+749
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing